US3580676A - Art of plate making - Google Patents
Art of plate making Download PDFInfo
- Publication number
- US3580676A US3580676A US651298A US3580676DA US3580676A US 3580676 A US3580676 A US 3580676A US 651298 A US651298 A US 651298A US 3580676D A US3580676D A US 3580676DA US 3580676 A US3580676 A US 3580676A
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- United States
- Prior art keywords
- chase
- plate
- carrier
- relative
- supporting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000000463 material Substances 0.000 claims description 29
- 230000007246 mechanism Effects 0.000 claims description 22
- 238000005520 cutting process Methods 0.000 description 22
- 230000000694 effects Effects 0.000 description 18
- 238000000034 method Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000005530 etching Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/02—Exposure apparatus for contact printing
- G03B27/14—Details
- G03B27/18—Maintaining or producing contact pressure between original and light-sensitive material
- G03B27/20—Maintaining or producing contact pressure between original and light-sensitive material by using a vacuum or fluid pressure
Definitions
- An apparatus for use in making a pair of plates having cooperating metal-forming projections thereon includes a support table.
- the support table has first and second plate supporting surfaces located on the opposite sides thereof.
- Means is provided for supporting the table for movement from a first position wherein the first surface of the table is located to support one of the plates and a second position wherein the second surface of the table is located to support the other of the plates.
- a chase carrier is adapted to be located overlying each of the plates located on the table.
- a chase for carrying a negative is carried by the chase carrier.
- Means is provided for moving the chase and each plate relatively in transverse directions to accurately locate the chase and plates.
- the creasing is effected by land elements which cooperate so that one element on one plate forces the materialbetween two elements on the other plate so as to effect the creasingof the material.
- the land elements are arranged on the dieplate members in a predetermined pattern so as to effect a cutting-and creasing in a particular pattern.
- the die plates are primarily used for forming box blanks from sheet material and thus the projecting land elements must be arranged in a pattern corresponding with the shape and formation of the box blank to be cut and creased.
- one of the die plates carries a cutting and/or creasing pattern
- the other of the die plates carries a corresponding cutting and/or creasing pattern which cooperates with the pattern of the projecting lands on the first dieplate so as to effect the cutting and/or creasing of the material in the desired pattern.
- each of the die plates is made by coating 'a metal plate with a light-sensitive resist material.
- the metal plates are then exposed to a light image through a negative and certain areas of the resist coating materialharden in response to the light.
- the area's of the resist which harden are those areas which define the cutting and creasing pattern of projecting lands to be formed from the plate.
- the plate is then etched and the area of the-plate havingthe hardened resist thereon resists the action of the etchant material and, thus, those areas remain high, while the areas betweenthe hardened areas of the resist are etched away, thus providing a plate with the projecting lands thereon.
- the present invention contemplates the provision of a new and improved method and apparatus for use in the making of the plates and particularly for use in'positioning the light-sensitiveplate and a negative accurately so as to expose the .lightsensitive plate to a light image through the negativein such a manner that the plate may be constructed readily andaccurately with a minimum of error.
- a further object of the present invention is the provision of' a new and improved apparatus for use in exposing a light-sensitive plate toa light image through anegative, and which includes a support for the'plate and a chasecwhich carries the negative and which is adapted tO'bC locatedin a position overlying the plate, and wherein the chasemay be adjusted -in one directionrelative to the plate, while the plate may be moved relative to a supporttable and relative to thee-chase in a:
- a still further object of the present invention is the provision of anew andimprovedapparatusfor use in exposing a light-sensitive plate to a light image through-a negative and:
- the plate is carried onta support table and. themegative is carried in'a chase, on a chase support positioned accurately on the support table, and wherein theplate and chase support may be movedinmutually perpendicular directions relative to the table by micrometer adjustment mechanisms table and positioned relative to a negative carrying chase when supported on the one side and the second plate is supported on the other side of the table and positioned relative to the negative carrying chase when supported on the other side of the table, and wherein the table is supported for pivotal movement from a first position wherein the one surface of the table is in operative position to a'second position wherein the other surface of the table is in operative position.
- a still further object of the present invention is the provision of a new and improved apparatus, as noted in the next precedingobject, wherein the table carries a micrometer adjustment mechanism for adjusting the position of the plate on the table and which is operable to adjust the position of each of the plates when supported on the opposite surfaces of the table.
- a still further object of the present invention is the provision of a new and improved apparatus, as noted in the next preceding object, wherein the negative is carried by a chase adapted to be accurately located on a chase guide and wherein the chase guide is adapted to be supported accurately on the opposite sides of the table and is movable relative to the plate supported on the opposite sides of the table so as to accurately position the chase in a direction substantially perpendicular to the direction of movement of the plate on the table.
- a still'further object of the present invention is the provision of a new and improved method of exposing a pair of lightsensitive plates to a negative wherein the plates are to be used to cooperate to form material advanced therebetween and wherein a first one of the plates is supported and accurately positioned on a tablerelative to a chase and the chase is accurately positioned at successive locations starting at one end of the plate to provide the necessary images on the plate and wherein the-second plate is supported in position on the support table and accurately positioned thereon and wherein the chase is positioned relative to the second plate by the same mechanism which positioned the chase relative to the first plate and wherein the chase is successively positioned and located relative to the second plate starting at the end of the second plate which is opposite the end of the first plate at which the exposing operations began.
- FIG. 1 is a side elevational view of an apparatus embodying the present invention
- FIGS. 13 and 14 are fragmentary perspective views of portionsof die plates made using the-apparatus shown in FIG. I.
- the present'invention relates to the making of plates for use in working on material, such as cutting and creasing plates and :printing plates.
- the invention relates to the making of plates having material forming projections thereon which engage opposite sides of material and effect a cutting and/or creasing of the materialas the material advances relative to the plates.
- the preferred embodiment of the present invention to be described is particularly useful in the making of the cooperating cutting and creasing die plates l0, 13 shown in FIGS. 13 and 14.
- the die plate has a base portion from which cutting elements 11 project.
- the cutting elements 11 are in the form of projecting lands which are formed integrally with the base portion'of the die plate.
- the die plate 10 also has creasing'members l2 projecting therefrom and formed in- 'tegrally 'with the base portion thereof.
- the die plate 10 cooperates with the die plate 13 to effect a cutting and creasing of material advanced therebetween.
- the die plate 13, FIG. 14, has a pattern of cutting and creasing elements thereon which correspond with the pattern of cutting and creasing elements on the die plate 10.
- the die plate 13 includes cutting elements 14 which project therefrom and are formed integrally therewith, and which cooperate with the projecting cutting elements 11 on the die plate 10 to effectcutting of the material advanced between the die plates.
- the cutting elements 11 and 14 effect a cutting of the material by partially overlapping in the plane of the material and projecting through a portion of the material, but do-not much during the cutting operation.
- the dieplate 13 also includes creasing elements 15 which are in the form of projecting lands formed integrally with the base portion of the die plate 13 and which are spaced apart so as to receive material forced therebetween by the creasing element 12 on the die plate 10.
- the die plates 10, 13 are flexible metal plates mounted on rotary cylinders by suitable clamps and upon rotation effect cutting and'creasing of material advanced therebetween.
- the patternof the cutting and creasing elements on the die plates 10, 13 is such as to cut a box blank from the material and provide for creasing lines thereon so as to permit folding of the cutout box blank into a completed box or carton.
- the die plates 10, 13 may cut a plurality of box blanks from the material at a given time and thus must have a plurality of patterns formed thereon.
- the die plates 10, 13 are formed by an etching process in which metal plates'are etched away except in the areas where the projecting lands are to'be formed. By this etching process I the lands are formed.
- a suitable etching mechanism and etching procedure is disclosed in copending application Ser. No. 458,549, filed on May 25, I965.
- any well-known resist coating is placed on the surface of the'plates, and which coating hardens when exposed to a high intense light.
- the coating thus makes the plate light sensitive and the plate is then exposed to a light image through a negative which carries an image corresponding with the image or pattern of cutting and creasing elements to be formed on v the die plates 10, 13.
- the resist material hardens so as to resist the etchant. Those areas ofthe plate beneath the hardened resist material after the etching process become the lands which effect the cutting and creasing of the material.
- the apparatus 20 includes a support frame 21 supporting a table 22.
- the table 22 has a plate supporting surface 23 which is adapted to support a light-sensitive plate thereon.
- a plate 25 is shown supported on the surface 23 in FIGS. 1 and 2.
- the apparatus 20 also includes a negative carrying chase 26 and which is adapted to be positioned in an overlying relation to the plate 25.
- a light source, designated 27, Located above the chase 26 is a light source, designated 27, and which provides a source of high intense light which is directed through the negative carried by the chase 26 and onto the light-sensitive plate to effect the hardening of the resist coating on the plate 25.
- the apparatus 20 is constructed so as to provide for accurate positioning of the. plate 25 and chase 26 so as to provide for the proper positioning of the image on the plate.
- the apparatus is also particularly constructed so as to provide for the exposing of light-sensitive plates to form the die plates 10, 13 so that the patterns of the projections on the die plates 10, 13 properly correspond and accurately cooperate.
- the apparatus 20 includes a means, generally designated 30 in FIG. 2, for effecting movement of the plate 25 on the surface 23 of the table 22.
- the mechanism 30 comprises a pair of block'members 31, 32 positioned in openings 33, 34 in the table 30.
- the block members 31, 32 each' have an opening therein adapted to receive pinmembers 35, 36, respectively, which are carried by the block members 31, 32, respectively, and which project through and accurately fit spaced openings in the plate 25.
- the spaced holes in the plate are later used for aligning the plate to a cylinder.
- the blocks 31, 32 are interconnected by a suitable rod member 37.
- the blocks 31', 32 may be moved linearly in opposite directions, indicated by the arrows 40 in FIG. 2, in order to properly position the plate 25 on the table 22 by means of a suitable mechanism, generally designated 41, and which includes a handle member 42 which, when rotated, effects movement of the blocks 31, 32 to effect movement of the plate 25.
- a suitable mechanism generally designated 41
- which includes a handle member 42 which, when rotated, effects movement of the blocks 31, 32 to effect movement of the plate 25.
- a suitable micrometer mechanism designated 41a, to indicate the amountof movement and the position of the plate 25 in the direction indicated by the arrows 40. This direction comprises the axial direction of the die plate when mounted on a cylinder.
- the chase 26 which carries the negative is adapted to overlie the plate 25 and is accurately positioned in overlying relation to the plate 25.
- the chase 26 has in one support frame portion 26a thereof a plurality of openings 45.
- the openings 45 are spaced along the support portion 26a of the chase 26 with equal distances between the centers of adjacent openings and aligned with openings46 located in a chase guide or carriage, generally designated 47.
- the chase guide 47 is elongated and extends in an overlying relation with respect to the plate 25 and in a direction substantially perpendicular to the direction in which the plate 25 is moved upon movement of the blocks 31, 32.
- the openings 45 in the chase 26 which align with the openings 46 are adapted to receive pins so as to lock the chase 26 in position on the chase guide 47.
- the chase guide 47 is supported on the table 22 for movement in a direction substantially perpendicular to the direction in which the plate 25 can be moved and, in particular, the chase guide 47 and chase 26 may be moved in the direction of the arrows 48, which is substantially perpendicular to the direction of the arrows 40 which indicate the direction of movement of the plate 25.
- the direction of the arrows 48 corresponds with the circumferential extent of the plate when on a cylinder.
- the chase guide 47 may be so moved by any suitable mechanism.
- the chase guide 47 carries at its opposite ends blocks 50, 51 which are located in openings 52, 53 in the chase guide 47.
- the blocks 50, 51 have openings therein which are adapted to align with one of a plurality of openings 60, 61, respectively, at the opposite edges of the table 22.
- the openings 60 are located along the edge of the table 22 in the upper portion of FIG. 2, while the openings 61 are located along the edge of the table 22 in the lower portion of FIG. 2.
- a suitable pin 50a is adapted to be inserted through the opening in the block 50 and the aligned opening 60 in the table 22.
- a suitable pin 51a is adapted to be inserted through the opening in the block 51 and through an aligned opening 61 in the table 22.
- Each opening 60, 61 is spaced from the adjacent opening 60, I 61, respectively, by equal amounts.
- each opening 60 has a corresponding opening 61 aligned therewith but, of course, positioned on the opposite edge of the table.
- a suitable manually actuated mechanism is provided for moving the chase guide 47 relative to the blocks 50, 51 and thus relative to the table 22.
- the mechanism includes a manually rotatable handle member 65 which is supported for rotation and which when rotated effects rotation of a screw member 66.
- the screw member 66 is threaded into a projecting portion 67 of the block 51 which is fixed relative to the table 22 due to the pin 51a which extends throughthe block 51 into an opening 61 in the table.
- the screw 66 moves relative to the fixed portion 67 of the block 51 outwardly thereof and causes movement of the chase guide 47 and chase 26 carried thereby.
- Rotation of the handle 65 in the reverse direction causes movement of the chase guide 47 in the reverse direction.
- the chase guide 47 is, of course, fixed against movement in the direction of arrows 40.
- Suitable micrometer adjustment means, generally designated 70, is provided for registering accurately the amount of movement of the chase guide 47.
- the amount of movement of the chase guide 47 may be and preferably is limited to the distance between the center 'of the openings 46 contained therein.
- the amount of movement of the plate 25 may be and preferably is limited to the distance between the centers of adjacent openings 61.
- the chase 26 is positioned in alignment with the appropriate openings 46 in the chase guide 47 and suitable pins are located in certain of the aligned openings. This constitutes a rough positioning of the chase 26 in the direction of arrows 48.
- the chase guide 47 may then be adjusted by an amount equal to the distance between openings 46 so as to effect the fine positioning of the chase guide 26 in the direction of the arrows 48.
- the chase guide 47 may be located relative to certain openings 60, 61 so as to roughly position the chase 26 relative to the plate 25 in the direction of the arrows 40.
- the plate 25 may then be adjusted in the direction of the arrows 40 was to effect the fine positioning of the plate 25 relative to the chase 26 through manual turning of the handle 42. In this manner, the chase 26 may be properly positioned in the desired location relative to the plate 25 in the direction of the arrows 48, whereas movement of the plate 25 may be effected for accurate relative positioning in the direction of the arrows 40.
- the plate to form one of plates 10, 13 is provided with suitable openings therein at the opposite ends thereof and is positioned on the support surface 23 of the table 22.
- the support surface 23 may be provided with a network of grooves 23a, see FIG. 4, which communicate with a suction supply for holding the sheet in position on the surface 23.
- the pins 35, 36 are located so as to project through the openings in the plate and into the openings in the blocks 31, 32, respectively.
- the chase guide 47 is located on the table 22 with pins 50a, 51a projecting through the blocks carried thereby and into selected ones of the aligned openings 60, 61, respectively.
- This rough positioning is recorded by recording the openings 60, 61 which receive the pins 50 a, 51a.
- the chase 26 is located on the chase guide 47 in a rough position in the direction of arrows 48'by aligning the openings therein, and this rough position is recorded by recording the openings aligned.
- Accurate or fine positioning of the chase 26 relative to the plate in the direction of arrows 48 is effected by adjustment of the chase guide 47 relative to table 22 and the fine adjustment is recorded by recording the reading on micrometer 70.
- the fine position in the direction of arrows 40 is effected by moving the plate 25 by mechanism 30 and the fine position is recorded by reading tlie micrometer 41a.
- the chase 26 is located initially in the location shown in FIG. 6 wherein the chase is located at one end of the chase guide 47, and the chase guide 47 is located at one end of the plate, namely, the left end as shown in-the drawings.
- the openings 60, 61 in which the chase guide locating pins are received and the micrometer adjustments of the chase guide and plate are recorded.
- the chase guide 47 is then moved to the position, such as that shown in FIG. 7, wherein the chase is still located in the same position on the chase guide, but the chase guide has been moved in the direction of the arrows 40 to a new location on the surface of the table 22.
- the plate 25 and chase guide 47 may be adjusted again so as to effect the proper relative positioning of the plate and chase in the new location.
- the new location is then recorded. This is continued until the lower portion of the plate has been exposed to light images thereacross.
- the chase 26 is positioned in the upper portion of the chase guide 47, as viewed in FIG. 8, and again the chase guide is positioned at the left end of the plate, as shown in FIG. 8, and the adjustments of the chase guide and plate are again effected and recorded so as to properly position the chase guide and plate.
- the light source may be activated and the plate is then exposed to light through the negative carried by the chase.
- the chase guide is then moved along the upper portion of the plate similarly to its movement along the lower portion of the plate so as to effect the proper repetitive positioning of chase and plate and exposure of the plate to light through the negative carried by the chase.
- the micrometer adjustment of the chase guide and plate are recorded as well as the general or rough location of the chase guide 47 relative to the table and chase relative to the chase guide, for a purpose to be described hereinbelow.
- a plate 25a to form the other cooperating die plate 10 or 13 may then be likewise exposed in order to provide for proper location of the pattern thereon.
- a different negative is placed in the chase 26 which has an image corresponding to that of the lands to be formed on the die plate.
- This second negative is visually registered to the chase 26 in a position corresponding to that of the first negative.
- the chase 26 is then located relative to the plate 25a in a manner to provide for accurate positioning of the lands thereon so that the lands on the plates 10, 13 properly cooperate.
- the table 20 is provided with a second plate supporting surface 70 which is opposite the plate supporting surface 23.
- the plate supporting surface 70 may be moved into operating position by rotating the table 22 about an axis, generally designated 71.
- the table is supported for pivotal movement by suitable support structure for rotation about the axis 71, as indicated schematically by the arrows 72 in FIG. 1.
- suitable support structure for rotation about the axis 71, as indicated schematically by the arrows 72 in FIG. 1.
- Suitable locking means may be provided for locking the table 22 in its positions.
- the micrometer adjustment mechanism 41 is located on the left side of the table, as shown schematically in FIG. 9.
- the micrometer adjustment mechanism 41 is constructed so as to be easily read by the operator in both positions of the table 22.
- the micrometer indicator may be read from the side of the table rather than from the top of the table.
- the indicator mark would be as indicated at A in FIG. 1.
- Other arrangements may also be utilized to permit reading of the micrometer adjustment mechanism in both positions of the table.
- the plate 25a is then positioned on the supporting surface 70 in the manner described hereinabove in connection with the plate 25.
- the chase guide 47 is then located on the support table, and in particular is positioned at the right end of the surface 70 of the table and the locating pins thereof are located in the same openings 60a, 61a as were previously recorded during the exposure of the plate 25.
- the openings 60a, 6111 are exlocated at the right end of the table rather than the left end due to the rotation of the table, the pins for the chase guide actually go through the identical openings in the location of the chase guide 47 for plate 25a as they went through when the plate 25 was exposed.
- the chase guide 47 is flipped over from the position shown in FIG. 6 to that shown in FIG.
- FIGS. Iland 12 illustrate further operative steps in the exposing of the plate 25a and correspond with the positions shown in FIGS. 7 and 8 when plate 25 is exposed.
- a support table for supporting the plate, a negative carrying chase for supporting the negative
- a chase carrier having a chase supporting portion for supportingsaid chase in an overlying relationship with respect to aplate on said table, means for moving said chase supporting portion in a first direction relative to said table and plate to accurately position said chase relative to the plate in said first direction, said chase supporting portion being fixed against movement in a second direction substantially perpendicular to said first direction, and means for moving said plate relative to said table and relative to .
- said chase carrier in a second direction substantially perpendicular to said first direction, said chase and chase carrier having portions which align to provide a rough positioning of said chase in said first direction
- said means for moving said chase supporting portion in said first direction comprising micrometer adjustment means for effecting a fine positioning of said chase in said first direction
- said chase carrier and chase having a plurality of equally spaced openings through which pins are adapted to extend to provide said rough positioning of said chase
- said chase carrier includes a pair of block members adapted to be fixed from movement relative to said table, and said means for moving said chase supporting ortion comprises a mechanism acting between at least one of said block members and said chase supporting portion of said chase carrier.
- a support table having first and second plate supporting surfaces located on the opposite sides of the table, means supporting said table for movement from a first position wherein said first surface is located to support one of'the plates and second position wherein said second surface is located to support the other of said plates, a chase carrier adapted to be located overlying each of said plates when locatedon said table, a chase for carrying a negative and carried by said chase carrier, and means for moving said chase and each plate relatively in transverse directions to accurately locate said chase and plates.
- said support table includes a plurality'of equally spaced openings along opposite sides thereof, and said'chase carrier supports block members having openings therein which align with openings in said table, and pin members for extending through said aligned openings and holding said block members from movement and removable to allow for repositioning of said chase carrier at different locations relative to each plate.
- a flat rectangular table for supporting said plate, a plurality of spaced first registering elements on said table extending in parallel directions along two opposite edges of said rectangular table, plate mounting means for mounting said plate for movement in the plane of the table and in a direction parallel to the direction of extension of said first registering elements, a chase carrier adapted to overlie said plate and having second registering elements cooperable with corresponding first registering elements at opposite edges of the table for mounting said chase carrier for movement in a direction perpendicular to the direction of plate movement, a plurality of third registering elements extending in the direction of extension of the chase carrier and perpendicular to the direction of extension of said plurality of first registering elements, a chase for mounting a transparency to overlie said plate, fourth registering elements on said chase cooperable with said third registering elements for mounting said
- first registering elements are located on one side of said table and further including fifth registering elements corresponding with said first registering elements and located on the other side of said table for use in operating on a plate position on said other side of said table.
- said first registering elements and said second registering elements comprise cooperating pins and holes, one on said table and one on said chase carrier, said one registering element on said table extending through said table to the opposite side thereof and consisting of said fifth registering elements on said opposite side of the table.
- a support table for supporting the plate, a negative carrying chase for supporting the negative
- a chase carrier having a chase supporting portion for supporting said chase in an overlying relationship with respect to a plate on said table, means for moving said chase supporting portion in a first direction relative to said table and plate to accurately position said chase relative to the plate in said first direction, said chase supporting portion being fixed against movement in a second direction substantially perpendicular to said first direction, and means for moving said plate relative to said table and relative to said chase carrier in a second direction substantially perpendicular to said first direction, said chase and chase carrier having portions which align to provide a rough positioning of said chase in said first direction, said means for moving said chase supporting portion in said first direction comprising micrometer adjustment means for effecting a fine positioning of said chase in said first direction, said chase carrier including a pair of block members adapted to be fixed from movement relative to said table, said means for moving said chase supporting portion comprising a mechanism acting between at least
- a support table for supporting the plate, a negative carrying chase for supporting the negative, a chase carrier having a chase supporting portion for 10 supporting said chase in an overlying relationship with respect to a plate on said table, means for moving said chase supporting portion in a first direction relative to said table and plate to accurately position said chase relative to the plate in said first direction, said chase supporting portion being fixed against movement in a second direction substantially perpendicular to said first direction, and means for moving said plate relative to said table and relative to said chase carrier in a second direction substantially perpendicular to said first direction, said table and said chase carrier having portions which align to provide a rough relative positioning of said chase and plate in said second direction, and said means for moving said plate comprising micrometer adjustment means for effecting a fine relative positioning of said plate and chase in said second direction including a pair of spaced block members carried by said table for movement relative thereto, said block members having openings therethrough aligned with openings in said plate,
- a support table for supporting the plate, a negative carrying chase for supporting the negative
- a chase carrier having a chase supporting portion for supporting said chase in an overlying relationship with respect to a plate on said table, means for moving said chase supporting portion in a first direction relative to said table and plate to accurately position said chase relative to the plate in said first direction, said chase supporting portion being fixed against movement in a second direction substantially perpendicular to said first direction, and means for moving said plate relative to said table and relative to said chase carrier in a second direction substantially perpendicular to said first direction, and said chase and chase carrier having portions which align and attach said chase and chase carrier for movement together and provide a rough positioning of said chase in said first direction
- said means for moving said chase supporting portion in said first direction comprising micrometer adjustment means for effecting a fine positioning of said chase in said first direction
- said table and said chase carrier having portions which align and attach said chase carrier and said table and provide a rough relative positioning of said chase
Abstract
Description
Claims (13)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US65129867A | 1967-07-05 | 1967-07-05 |
Publications (1)
Publication Number | Publication Date |
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US3580676A true US3580676A (en) | 1971-05-25 |
Family
ID=24612324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US651298A Expired - Lifetime US3580676A (en) | 1967-07-05 | 1967-07-05 | Art of plate making |
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Country | Link |
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US (1) | US3580676A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3873202A (en) * | 1973-04-26 | 1975-03-25 | Yoshio Inoue | Device for mounting polychrome halftone negatives on sheet film |
US4159176A (en) * | 1976-11-26 | 1979-06-26 | E. I. Du Pont De Nemours And Company | Device for aligning a photomask on a printed circuit board |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1058975A (en) * | 1910-05-18 | 1913-04-15 | George Bleistein | Photographic-printing apparatus. |
US1832026A (en) * | 1928-03-31 | 1931-11-17 | Huebner Bleistein Patents Comp | Photographic printing apparatus |
-
1967
- 1967-07-05 US US651298A patent/US3580676A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1058975A (en) * | 1910-05-18 | 1913-04-15 | George Bleistein | Photographic-printing apparatus. |
US1832026A (en) * | 1928-03-31 | 1931-11-17 | Huebner Bleistein Patents Comp | Photographic printing apparatus |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3873202A (en) * | 1973-04-26 | 1975-03-25 | Yoshio Inoue | Device for mounting polychrome halftone negatives on sheet film |
US4159176A (en) * | 1976-11-26 | 1979-06-26 | E. I. Du Pont De Nemours And Company | Device for aligning a photomask on a printed circuit board |
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